Transient Oscillations in Semiconductor Differential Transmission Spectra

J. P. Sokoloff; M. Lindberg; B. Fluegal; S. W. Koch; N. Peyghambarian

doi:10.1117/12.947226

Transient Oscillations in Semiconductor Differential Transmission Spectra

J. P. Sokoloff, M. Lindberg, B. Fluegal, S. W. Koch, N. Peyghambarian

Research output: Contribution to journal › Article › peer-review

Abstract

Several semiconductor materials were studied using femtosecond pump-probe spectroscopy. Oscillatory structures are observed in the differential transmission spectra of the probe pulse at the very early times when the probe pulse precedes the pump pulse. These oscillations are around the exciton frequency when pumping is either above or below the exciton, and in the vicinity of the pump frequency when the pump is tuned inside the semiconductor band. The observed data are discussed in terms of semiclassical theory.

Original language	English (US)
Pages (from-to)	277-279
Number of pages	3
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	942
DOIs	https://doi.org/10.1117/12.947226
State	Published - Aug 22 1988

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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abstract = "Several semiconductor materials were studied using femtosecond pump-probe spectroscopy. Oscillatory structures are observed in the differential transmission spectra of the probe pulse at the very early times when the probe pulse precedes the pump pulse. These oscillations are around the exciton frequency when pumping is either above or below the exciton, and in the vicinity of the pump frequency when the pump is tuned inside the semiconductor band. The observed data are discussed in terms of semiclassical theory.",

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AU - Koch, S. W.

AU - Peyghambarian, N.

PY - 1988/8/22

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N2 - Several semiconductor materials were studied using femtosecond pump-probe spectroscopy. Oscillatory structures are observed in the differential transmission spectra of the probe pulse at the very early times when the probe pulse precedes the pump pulse. These oscillations are around the exciton frequency when pumping is either above or below the exciton, and in the vicinity of the pump frequency when the pump is tuned inside the semiconductor band. The observed data are discussed in terms of semiclassical theory.

AB - Several semiconductor materials were studied using femtosecond pump-probe spectroscopy. Oscillatory structures are observed in the differential transmission spectra of the probe pulse at the very early times when the probe pulse precedes the pump pulse. These oscillations are around the exciton frequency when pumping is either above or below the exciton, and in the vicinity of the pump frequency when the pump is tuned inside the semiconductor band. The observed data are discussed in terms of semiclassical theory.

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Transient Oscillations in Semiconductor Differential Transmission Spectra

Abstract

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